Home / 126,510.45-174,595.53-69,932.76

Finding the Fourth Proportional to 126,510.45, 174,595.53 and 69,932.76

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Solution

The fourth proportional to 126,510.45, 174,595.53 and 69,932.76 is: 96,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,510.45 : 174,595.53 = 69,932.76 : x
  2. Step 2: Convert to fraction form
    126,510.45/174,595.53 = 69,932.76/x
  3. Step 3: Cross multiply
    126,510.45x = 174,595.53 × 69,932.76
  4. Step 4: Simplify right side
    126,510.45x = 12,209,947,296.56
  5. Step 5: Solve for x
    x = 12,209,947,296.56/126,510.45
  6. Step 6: Final answer
    x = 96,513.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.